Finding the Fourth Proportional to 496,648.69, 685,378.26 and 270,296.53
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Solution
The fourth proportional to 496,648.69, 685,378.26 and 270,296.53 is: 373,010.88
Step by Step Solution
- Step 1: Write the proportion equation
496,648.69 : 685,378.26 = 270,296.53 : x - Step 2: Convert to fraction form
496,648.69/685,378.26 = 270,296.53/x - Step 3: Cross multiply
496,648.69x = 685,378.26 × 270,296.53 - Step 4: Simplify right side
496,648.69x = 185,255,365,415.44 - Step 5: Solve for x
x = 185,255,365,415.44/496,648.69 - Step 6: Final answer
x = 373,010.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.